/Engine/Plugins/Runtime/Metasound/Source/MetasoundFrontend/Public/MetasoundFrontendDocumentBuilder.h
const [FMetasoundFrontendLiteral](API\Plugins\MetasoundFrontend\FMetasoundFrontendLiteral) * GetNodeInputClassDefault ( const [FGuid](API\Runtime\Core\Misc\FGuid) & InNodeID, const [FGuid](API\Runtime\Core\Misc\FGuid) & InVertexID ) const